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Biology 111 chapter 13

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    Gametes are produced by _____________.
    Meiosis
    Normal human gametes carry _____ chromosomes.
    23
    Once Meiosis I is completed, all the cells are
    Haploid
    A diploid organism whose somatic (nonsex) cells each contain 32 chromosomes produces gametes containing _____ chromosomes.
    16
    Meiosis II begins with 2 _________ cells
    Haploid
    Meiosis I produces _____ cells, each of which is _____.
    two, halpoid
    Meiosis II typically produces _____ cells, each of which is _____.
    four, haploid
    During _____ sister chromatids separate.
    Anaphase II
    At the end of _____ and cytokinesis, haploid cells contain chromosomes that each consist of two sister chromatids.
    Telophase I
    Homologous chromosomes pair during _________
    Prophase I
    Synapsis occurs during _____.
    Prophase I
    Homologous chromosomes migrate to opposite poles during _____.
    Anaphase I
    During _____ chromosomes align single file along the equator of a haploid cell.
    Metaphase II
    During _____ a spindle forms in a haploid cell.
    Prophase II
    A human somatic cell contains _____
    44 autosomes and 2 sex chromosomes
    In alternation of generations, the diploid stage of a plant that follows fertilization is the _____.
    sporophyte
    Mitosis results in the formation of _____
    two diploid cells
    Meiosis results in the formation of ______
    two haploid cells
    Crossing over is _____.
    the exchange of homologous portions of nonsister chromatids
    Genetic variation occurs when chromosomes are shuffled in _____ and fertilization.
    Meiosis
    What is the Haploid Number?
    23
    Diploid number is ______
    46
    What is the result of meiosis
    one set of chromosomes in each gamete
    Casmata
    where they cross over
    What are the only haploid cells in animals
    Gametes
    Sporophyte makes haploid ________ by meiosis
    spores
    Each spore grows by mitosis into a haploid organism by called a ________
    gametophyte
    Fertilization of gametes results in a ____________
    diploid sporophyte
    The zygote produces haploid cells by ________
    meiosis
    Only ______ cells can go through meiosis
    diploid
    The two cell divisions result in ________ daughter cells, rather than _________ daughter cells in mitosis
    4,2
    Each daughter cells has _______ as many chromosomes as the parent cell
    half
    What happens during the first stage of Meiosis
    homologous chromosomes seperate
    What is reductional division?
    meiosis one results in 2 haploid daughter cells
    What is equational division
    Meiosis II results in 4 haploid daughter cells with UNREPLICATED chromosomes
    When does synapsis occur
    Prophase I
    What is a chiasmate?
    where the x-shaped regions where crossing over occured
    Are the two sister chromatids gentically similar during Metaphase II
    no!
    What are cohesions?
    protein complexes
    What are alleles
    mutations of genes

    Biology 111 chapter 13. (2018, Jan 04). Retrieved from https://graduateway.com/biology-111-chapter-13-essay/

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